ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
726,074 ( -0.137%)
Market
Price
$23.10 @ 0.006922 ETH (+2.72%)
Onchain Market Cap
$23,100,000,000.00
Circulating Supply Market Cap
$14,585,608,802.00
Other Info
Token Contract (WITH 18 Decimals)
Filtered by Token Holder
MetaWin: Competition ETH As Prize 1Balance
18 LINKValue
$415.80 ( ~0.124604716807937 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $23.06 0.0069192 Eth | $139,010,755.00 6,200,308.970 LINK | 20.9581% |
2 | WhiteBIT | LINK-USDT | $23.08 0.0069231 Eth | $65,068,196.00 2,818,819.970 LINK | 9.5281% |
3 | Coinbase Exchange | LINK-USD | $23.08 0.0069228 Eth | $61,167,361.00 2,650,347.100 LINK | 8.9586% |
4 | Bitget | LINK-USDT | $23.08 0.0069215 Eth | $39,382,124.00 1,757,448.258 LINK | 5.9405% |
5 | P2B | LINK-USDT | $23.08 0.0069232 Eth | $29,952,478.00 1,297,509.280 LINK | 4.3858% |
6 | OKX | LINK-USDT | $23.07 0.0069203 Eth | $24,893,365.00 1,109,265.777 LINK | 3.7495% |
7 | Slex | LINK-USDT | $23.05 0.0069161 Eth | $22,782,890.00 1,018,689.980 LINK | 3.4433% |
8 | WEEX | LINK-USDT | $23.15 0.0069483 Eth | $19,539,375.00 873,890.170 LINK | 2.9539% |
9 | DigiFinex | LINK-USDT | $23.07 0.0069197 Eth | $18,793,408.00 814,547.800 LINK | 2.7533% |
10 | XT.COM | LINK-USDT | $23.10 0.0069303 Eth | $16,643,663.00 742,396.930 LINK | 2.5094% |
11 | FameEX | LINK-USDT | $23.08 0.0069206 Eth | $13,885,291.00 619,178.652 LINK | 2.0929% |
12 | Azbit | LINK-USDT | $23.06 0.0069192 Eth | $13,838,135.00 617,174.871 LINK | 2.0862% |
13 | HTX | LINK-USDT | $23.06 0.0069169 Eth | $12,704,194.00 568,609.121 LINK | 1.9220% |
14 | Coinstore | LINK-USDT | $23.07 0.0069222 Eth | $12,029,142.00 536,913.760 LINK | 1.8149% |
15 | Bitunix | LINK-USDT | $23.07 0.0069206 Eth | $11,966,126.00 518,852.120 LINK | 1.7538% |
16 | Binance | LINK-FDUSD | $23.14 0.0069413 Eth | $11,807,942.00 523,142.840 LINK | 1.7683% |
17 | BYDFi | LINK-USDT | $23.09 0.0069284 Eth | $8,168,945.00 353,752.000 LINK | 1.1957% |
18 | Kraken | LINK-USD | $23.10 0.0069283 Eth | $7,567,214.00 327,571.973 LINK | 1.1072% |
19 | Biconomy.com | LINK-USDT | $23.11 0.0069322 Eth | $7,342,131.00 327,657.090 LINK | 1.1075% |
20 | CoinW | LINK-USDT | $23.13 0.0069443 Eth | $7,294,387.00 315,414.690 LINK | 1.0662% |
21 | KuCoin | LINK-USDT | $23.06 0.0069197 Eth | $6,765,405.00 293,324.507 LINK | 0.9915% |
22 | LATOKEN | LINK-USDT | $23.09 0.0069271 Eth | $6,534,025.00 282,941.085 LINK | 0.9564% |
23 | QMall | LINK-USDT | $23.10 0.0069304 Eth | $5,797,558.00 258,588.251 LINK | 0.8741% |
24 | Hotcoin | LINK-USDT | $23.06 0.0069197 Eth | $5,657,885.00 245,325.190 LINK | 0.8292% |
25 | LBank | LINK-USDT | $23.06 0.0069180 Eth | $5,563,052.00 241,269.460 LINK | 0.8155% |
26 | Binance | LINK-USDC | $23.10 0.0069311 Eth | $5,338,402.00 239,172.690 LINK | 0.8084% |
27 | Dex-Trade | LINK-USDT | $23.11 0.0069340 Eth | $4,711,534.00 203,893.780 LINK | 0.6892% |
28 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.22 0.0069655 Eth | $4,388,507.00 192,823.561 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.6518% |
29 | Coinbase Exchange | LINK-EUR | $23.07 0.0069208 Eth | $4,143,715.00 179,607.370 LINK | 0.6071% |
30 | Bitvavo | LINK-EUR | $23.12 0.0069360 Eth | $3,648,109.00 157,772.646 LINK | 0.5333% |
31 | FMCPAY | LINK-USDT | $23.19 0.0069521 Eth | $3,367,828.00 150,583.492 LINK | 0.5090% |
32 | Dcoin | LINK-USDT | $23.13 0.0069397 Eth | $3,261,078.00 140,967.000 LINK | 0.4765% |
33 | WhiteBIT | LINK-TRY | $23.10 0.0069295 Eth | $2,498,298.00 108,128.190 LINK | 0.3655% |
34 | ProBit Global | LINK-USDT | $23.05 0.0069151 Eth | $2,476,167.00 107,444.534 LINK | 0.3632% |
35 | CoinEx | LINK-USDT | $23.12 0.0069381 Eth | $2,416,348.00 107,910.797 LINK | 0.3648% |
36 | PointPay | LINK-USDT | $23.10 0.0069304 Eth | $2,316,925.00 103,340.103 LINK | 0.3493% |
37 | WhiteBIT | LINK-BTC | $23.05 0.0069164 Eth | $2,283,061.00 99,031.990 LINK | 0.3347% |
38 | EXMO | LINK-USDT | $23.08 0.0069246 Eth | $1,682,839.00 72,915.494 LINK | 0.2465% |
39 | FMCPAY | LINK-ETH | $23.12 0.0069374 Eth | $1,682,157.00 74,538.560 LINK | 0.2520% |
40 | Phemex | LINK-USDT | $23.17 0.0069533 Eth | $1,498,334.00 64,663.930 LINK | 0.2186% |
41 | FMCPAY | LINK-BTC | $23.13 0.0069335 Eth | $1,473,823.00 65,625.900 LINK | 0.2218% |
42 | Bitbank | LINK-JPY | $23.10 0.0069291 Eth | $1,432,803.00 62,039.301 LINK | 0.2097% |
43 | Kraken | LINK-EUR | $23.09 0.0069240 Eth | $1,379,296.00 59,744.473 LINK | 0.2019% |
44 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.07 0.0069217 Eth | $1,347,225.00 59,780.869 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2021% |
45 | EarnBIT | LINK-USDT | $23.13 0.0069379 Eth | $1,203,985.00 53,644.796 LINK | 0.1813% |
46 | Binance | LINK-TRY | $23.13 0.0069360 Eth | $1,199,083.00 53,000.410 LINK | 0.1792% |
47 | tanX | LINK-USDC | $23.12 0.0069362 Eth | $1,161,342.00 51,855.170 LINK | 0.1753% |
48 | Nonkyc.io | LINK-USDT | $23.27 0.0069835 Eth | $1,147,806.00 51,852.087 LINK | 0.1753% |
49 | BitStorage | LINK-USDT | $23.22 0.0069679 Eth | $1,145,879.00 49,349.790 LINK | 0.1668% |
50 | KuCoin | LINK-USDC | $23.20 0.0069608 Eth | $987,246.00 42,550.996 LINK | 0.1438% |
51 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.09 0.0069275 Eth | $972,328.00 67,901.487 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2295% |
52 | Trubit | LINK-USDT | $23.13 0.0069395 Eth | $965,198.00 43,250.860 LINK | 0.1462% |
53 | BigONE | LINK-USDT | $23.07 0.0069201 Eth | $963,355.00 41,759.970 LINK | 0.1412% |
54 | Binance | LINK-EUR | $23.14 0.0069445 Eth | $869,058.00 38,706.940 LINK | 0.1308% |
55 | Bybit | LINK-USDC | $23.10 0.0069287 Eth | $839,557.00 37,706.591 LINK | 0.1275% |
56 | WhiteBIT | LINK-EUR | $23.09 0.0069276 Eth | $821,724.00 35,580.370 LINK | 0.1203% |
57 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.20 0.0069599 Eth | $742,438.00 32,807.316 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1109% |
58 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.09 0.0069286 Eth | $741,213.00 32,759.340 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1107% |
59 | Koinpark | LINK-USDT | $23.13 0.0069417 Eth | $732,420.00 31,664.061 LINK | 0.1070% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.10 0.0069303 Eth | $717,256.00 31,977.854 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1081% |
61 | ProBit Global | LINK-BTC | $23.12 0.0069345 Eth | $661,788.00 28,627.113 LINK | 0.0968% |
62 | OKX | LINK-USDC | $23.07 0.0069182 Eth | $621,536.00 27,787.458 LINK | 0.0939% |
63 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.05 0.0069164 Eth | $619,146.00 599,693.705 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.0271% |
64 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.18 0.0069538 Eth | $610,702.00 27,373.629 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0925% |
65 | GMO Japan | LINK-JPY | $23.13 0.0069401 Eth | $569,189.00 24,603.200 LINK | 0.0832% |
66 | Coinbase Exchange | LINK-USDT | $23.19 0.0069574 Eth | $566,370.00 24,421.049 LINK | 0.0825% |
67 | Gemini | LINK-USD | $23.13 0.0069368 Eth | $564,545.00 24,408.247 LINK | 0.0825% |
68 | WEEX | LINK-USDC | $23.06 0.0069198 Eth | $500,939.00 21,720.051 LINK | 0.0734% |
69 | Coinbase Exchange | LINK-ETH | $23.11 0.0069335 Eth | $482,182.00 20,861.310 LINK | 0.0705% |
70 | BitMart | LINK-BTC | $23.09 0.0069265 Eth | $437,255.00 18,939.160 LINK | 0.0640% |
71 | BitDelta | LINK-USDT | $23.18 0.0069458 Eth | $424,355.00 18,990.000 LINK | 0.0642% |
72 | HashKey Exchange | LINK-USD | $23.18 0.0069551 Eth | $400,714.00 17,940.820 LINK | 0.0606% |
73 | Slex | LINK-ETH | $23.12 0.0069381 Eth | $393,975.00 17,483.040 LINK | 0.0591% |
74 | Coinbase Exchange | LINK-GBP | $23.14 0.0069425 Eth | $324,454.00 14,019.580 LINK | 0.0474% |
75 | Coinbase Exchange | LINK-BTC | $23.10 0.0069295 Eth | $291,810.00 12,632.760 LINK | 0.0427% |
76 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.16 0.0069480 Eth | $285,887.00 12,764.331 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0431% |
77 | LATOKEN | LINK-BTC | $23.07 0.0069222 Eth | $264,953.00 11,483.312 LINK | 0.0388% |
78 | Uniswap V3 (Ethereum) | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.09 0.0069275 Eth | $252,579.00 769.883 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 0.0026% |
79 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.04 0.0069142 Eth | $223,141.00 10,002.926 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0338% |
80 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.07 0.0069226 Eth | $215,726.00 9,593.424 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0324% |
81 | Hotcoin | LINK-BTC | $23.10 0.0069284 Eth | $213,386.00 9,238.420 LINK | 0.0312% |
82 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $23.12 0.0069360 Eth | $211,279.00 9,360.234 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0316% |
83 | PointPay | LINK-BTC | $23.11 0.0069318 Eth | $210,427.00 9,323.000 LINK | 0.0315% |
84 | BitMart | LINK-ETH | $23.11 0.0069330 Eth | $210,160.00 9,094.340 LINK | 0.0307% |
85 | BitStorage | LINK-ETH | $23.12 0.0069344 Eth | $191,652.00 8,290.880 LINK | 0.0280% |
86 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.17 0.0069487 Eth | $185,954.00 8,241.068 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0279% |
87 | Bitso | LINK-USD | $23.11 0.0069333 Eth | $179,288.00 7,757.238 LINK | 0.0262% |
88 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.05 0.0069164 Eth | $169,029.00 7,583.070 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0256% |
89 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.22 0.0069655 Eth | $164,040.00 158,070.574 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5343% |
90 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.18 0.0069557 Eth | $156,450.00 6,982.103 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0236% |
91 | Binance US | LINK-USDT | $23.07 0.0069227 Eth | $122,957.00 5,329.088 LINK | 0.0180% |
92 | Bitkub | LINK-THB | $23.23 0.0069691 Eth | $115,191.00 4,959.058 LINK | 0.0168% |
93 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.07 0.0069213 Eth | $113,228.00 109,566.779 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3704% |
94 | Coins.ph | LINK-PHP | $23.21 0.0069558 Eth | $102,519.00 4,532.432 LINK | 0.0153% |
95 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.19 0.0069584 Eth | $96,729.00 4,312.276 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0146% |
96 | KuCoin | LINK-BTC | $23.05 0.0069144 Eth | $92,264.00 4,003.294 LINK | 0.0135% |
97 | Kraken | LINK-GBP | $23.09 0.0069262 Eth | $87,866.00 3,804.715 LINK | 0.0129% |
98 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.19 0.0069575 Eth | $86,737.00 3,828.901 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0129% |
99 | Nonkyc.io | LINK-BTC | $23.16 0.0069478 Eth | $77,647.00 3,455.031 LINK | 0.0117% |
100 | Hotcoin | LINK-ETH | $23.11 0.0069327 Eth | $74,673.00 3,231.070 LINK | 0.0109% |
Contract Name:
LinkToken
Compiler Version
v0.4.16+commit.d7661dd9
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion, Audited
Contract Source Code (Solidity)Audit Report
/** *Submitted for verification at Etherscan.io on 2017-09-23 */ pragma solidity ^0.4.16; /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { function mul(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint256 a, uint256 b) internal constant returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal constant returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } /** * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 */ contract ERC20Basic { uint256 public totalSupply; function balanceOf(address who) constant returns (uint256); function transfer(address to, uint256 value) returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20 is ERC20Basic { function allowance(address owner, address spender) constant returns (uint256); function transferFrom(address from, address to, uint256 value) returns (bool); function approve(address spender, uint256 value) returns (bool); event Approval(address indexed owner, address indexed spender, uint256 value); } contract ERC677 is ERC20 { function transferAndCall(address to, uint value, bytes data) returns (bool success); event Transfer(address indexed from, address indexed to, uint value, bytes data); } contract ERC677Receiver { function onTokenTransfer(address _sender, uint _value, bytes _data); } /** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */ contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) returns (bool) { balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) constant returns (uint256 balance) { return balances[_owner]; } } /** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) returns (bool) { var _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = _allowance.sub(_value); Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender) constant returns (uint256 remaining) { return allowed[_owner][_spender]; } /* * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */ function increaseApproval (address _spender, uint _addedValue) returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval (address _spender, uint _subtractedValue) returns (bool success) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } contract ERC677Token is ERC677 { /** * @dev transfer token to a contract address with additional data if the recipient is a contact. * @param _to The address to transfer to. * @param _value The amount to be transferred. * @param _data The extra data to be passed to the receiving contract. */ function transferAndCall(address _to, uint _value, bytes _data) public returns (bool success) { super.transfer(_to, _value); Transfer(msg.sender, _to, _value, _data); if (isContract(_to)) { contractFallback(_to, _value, _data); } return true; } // PRIVATE function contractFallback(address _to, uint _value, bytes _data) private { ERC677Receiver receiver = ERC677Receiver(_to); receiver.onTokenTransfer(msg.sender, _value, _data); } function isContract(address _addr) private returns (bool hasCode) { uint length; assembly { length := extcodesize(_addr) } return length > 0; } } contract LinkToken is StandardToken, ERC677Token { uint public constant totalSupply = 10**27; string public constant name = 'ChainLink Token'; uint8 public constant decimals = 18; string public constant symbol = 'LINK'; function LinkToken() public { balances[msg.sender] = totalSupply; } /** * @dev transfer token to a specified address with additional data if the recipient is a contract. * @param _to The address to transfer to. * @param _value The amount to be transferred. * @param _data The extra data to be passed to the receiving contract. */ function transferAndCall(address _to, uint _value, bytes _data) public validRecipient(_to) returns (bool success) { return super.transferAndCall(_to, _value, _data); } /** * @dev transfer token to a specified address. * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint _value) public validRecipient(_to) returns (bool success) { return super.transfer(_to, _value); } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public validRecipient(_spender) returns (bool) { return super.approve(_spender, _value); } /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public validRecipient(_to) returns (bool) { return super.transferFrom(_from, _to, _value); } // MODIFIERS modifier validRecipient(address _recipient) { require(_recipient != address(0) && _recipient != address(this)); _; } }
Contract Security Audit
- Callisto Network - April 14th, 2019 - Security Audit Report
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transferAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"data","type":"bytes"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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